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1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_UI_DISPLAY_SYNC_MANAGER_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_UI_DISPLAY_SYNC_MANAGER_H
18 
19 #include <unordered_map>
20 #include <mutex>
21 
22 #include "base/memory/ace_type.h"
23 #include "base/utils/utils.h"
24 #include "base/log/log.h"
25 #include "base/utils/base_id.h"
26 #include "base/log/ace_trace.h"
27 #include "base/utils/system_properties.h"
28 #include "ui_display_sync.h"
29 
30 namespace OHOS::Ace {
31 using IdType = uint64_t;
32 using IdToDisplaySyncMap = std::unordered_map<IdType, WeakPtr<UIDisplaySync>>;
33 
34 class ACE_FORCE_EXPORT UIDisplaySyncManager : public AceType {
35     DECLARE_ACE_TYPE(UIDisplaySyncManager, AceType)
36 public:
37     bool AddDisplaySync(const RefPtr<UIDisplaySync>& displaySync);
38     bool RemoveDisplaySync(const RefPtr<UIDisplaySync>& displaySync);
39     bool HasDisplaySync(const RefPtr<UIDisplaySync>& displaySync);
40 
41     void DispatchFunc(uint64_t nanoTimestamp);
42 
43     bool SetVsyncRate(int32_t vsyncRate);
44     int32_t GetVsyncRate() const;
45     bool SetVsyncPeriod(int64_t vsyncPeriod);
46     int64_t GetVsyncPeriod() const;
47     bool SetRefreshRateMode(int32_t refreshRateMode);
48     int32_t GetRefreshRateMode() const;
49     int32_t GetDisplaySyncRate() const;
50     IdToDisplaySyncMap GetUIDisplaySyncMap() const;
51     void CheckSkipEnableProperty();
52     bool IsSupportSkip() const;
53     bool IsAutoRefreshRateMode() const;
54     bool IsNonAutoRefreshRateMode() const;
55 
56     UIDisplaySyncManager();
57     ~UIDisplaySyncManager() noexcept override;
58 
59 private:
60     static const std::vector<int32_t> REFRESH_RATE_LIST;
61     static constexpr int32_t ERROR_DELTA = 3;
62     static constexpr float SECOND_IN_NANO = 1000000000.0f;
63 
64     int32_t sourceVsyncRate_ = 0;
65     int64_t vsyncPeriod_ = 0;
66     int32_t refreshRateMode_ = 0;
67     RefPtr<FrameRateRange> displaySyncRange_ = AceType::MakeRefPtr<FrameRateRange>();
68 
69     IdToDisplaySyncMap uiDisplaySyncMap_;
70     std::once_flag isEnablePropertyFlag_;
71     bool supportSkipEnabled_ = true;
72 };
73 } // namespace OHOS::Ace
74 
75 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_UI_DISPLAY_SYNC_MANAGER_H
76